CN217950605U - Wind-powered electricity generation blade surface light and heat deicing structure - Google Patents
Wind-powered electricity generation blade surface light and heat deicing structure Download PDFInfo
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- CN217950605U CN217950605U CN202222457953.3U CN202222457953U CN217950605U CN 217950605 U CN217950605 U CN 217950605U CN 202222457953 U CN202222457953 U CN 202222457953U CN 217950605 U CN217950605 U CN 217950605U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to a wind-powered electricity generation blade surface light and heat deicing structure belongs to wind power generation technical field, including insulating layer, conducting layer, heat-conducting layer, lightning-arrest arrester, extinction material. The insulating layer, the conducting layer, the heat-conducting layer passes in proper order and moves back the cover and in lightning-arrest arrester edge contact, the extinction material is the bar interval distribution at the heat-conducting layer and forms the extinction material area, the extinction material area is connected through the extinction material that the bar distributes between the area, the exposed extinction material imbeds the conducting layer and runs through the heat-conducting layer, the extinction material absorbs solar energy conversion and leads to heat-conducting layer transmission heat energy, can high efficiency, low energy consumption, high safety carry out the deicing to the blade surface.
Description
Technical Field
The utility model relates to a wind power generation technical field relates to a light and heat deicing structure, especially a wind-powered electricity generation blade surface light and heat deicing structure.
Background
The wind power blade is usually installed in mountain regions, cold regions, high-altitude regions and coastal regions, and when the operating environment temperature of the wind power blade is lower than 0 ℃, the ice coating and ice hanging phenomena easily occur on the outer surface of the wind power blade, particularly in the front edge region and the tail edge region, so that the wind power generation efficiency is influenced. The existing wind power blade deicing technology mainly comprises heat absorption coating, mechanical vibration, internal hot air blowing, electric heating and the like.
The existing wind power blade deicing technology has the characteristics that: the heat absorption coating mainly absorbs visible light through black to convert the visible light into heat energy, but the absorption efficiency is low, so that the heat absorption is low when the illumination is weak, and the aim of deicing cannot be achieved. The mechanical vibration mainly uses blade vibration through irregular motion or external force load so as to enable the ice layer to fall off, but the blade damage is large and the operation process is difficult to control. Thirdly, hot air blown inside the wind power blade is mainly blown out of the inner cavity of the wind power blade and is gradually transmitted to the outer surface of the blade, so that the ice layer is melted and falls off, but the deicing efficiency is low, the power consumption is high, and water drops are easily condensed in the inner cavity of the wind power blade. Fourth, electric heating is mainly achieved by arranging a resistance wire or a heating element on the surface of the blade, heating is achieved after the blade is electrified, deicing is achieved, the structure of the blade is affected by arrangement of the resistance wire or the heating element, lightning strike is easily guided by the resistance wire or the heating element, and therefore the lightning protection system cannot perform corresponding functions.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved by utility model
For foretell defect among the prior art of overcoming, the utility model provides a wind-powered electricity generation blade surface light and heat deicing structure can be high efficiency, low energy consumption, high safety carry out the deicing to the blade surface.
(II) for realizing the purpose, the utility model provides the following technical scheme:
the utility model provides a wind-powered electricity generation blade surface light and heat deicing structure, is including setting up a insulating layer, a conducting layer, a heat-conducting layer, a plurality of extinction material area on wind-powered electricity generation blade surface, its characterized in that:
the thermal insulation layer is coated on the outer surface of the wind power blade, and the edge of the thermal insulation layer is spaced from the front edge of the blade and the rear edge of the blade;
the conducting layer is coated and arranged on the heat insulation layer in a progressive and retreating mode, and intervals are reserved between each edge of the conducting layer and each edge corresponding to the heat insulation layer;
each light absorbing material strip is coated and arranged on the conducting layer in a strip shape;
the heat conduction layer is coated and arranged on the conducting layer in a progressive and retreating mode, intervals exist between each edge of the heat conduction layer and each edge corresponding to the conducting layer, the area, coated with the light absorption material belt, of the conducting layer is not covered by the heat conduction layer, and the area, coated with the light absorption material belt, of the conducting layer is exposed out of the heat conduction layer.
As a further aspect of the present invention: the wind power blade is characterized in that a lightning arrester is further arranged on the outer surface of the wind power blade, and the areas of the heat insulation layer, the conducting layer, the heat conducting layer and the light absorbing material belt close to the lightning arrester are all in contact with the edge of the lightning arrester.
As a further aspect of the present invention: the light absorption material belts comprise first light absorption material belts parallel to the direction from the front edge of the blade to the tail edge of the blade and second light absorption material belts vertical to the direction from the front edge of the blade to the tail edge of the blade, the first light absorption material belts are connected with each other through the second light absorption material belts, and the first light absorption material belts and the second light absorption material belts are formed into a criss-cross net structure.
As a further aspect of the present invention: the outer surface of the wind power blade comprises a blade pressure surface and a blade suction surface, and the heat insulation layer, the conductive layer, the heat conduction layer and the light absorption material belt are arranged on the blade pressure surface and the blade suction surface respectively.
As a further aspect of the present invention: the heat-insulating layer, the conducting layer and the heat-conducting layer are all of thin-film structures and are formed by coating or spraying corresponding coatings, and the thicknesses of the heat-insulating layer, the conducting layer and the heat-conducting layer are not more than 200 micrometers.
As a further aspect of the present invention: the step-back distance of the conducting layer at each edge of the heat insulation layer and the step-back distance of the heat conducting layer at each edge of the conducting layer are not less than 50 cm.
As a further aspect of the present invention: the bottom of the light absorbing material strip is embedded in the conductive layer, but does not penetrate to the thermal insulating layer.
As a further aspect of the present invention: the light absorbing material in the light absorbing material belt is granular, and the particle diameter of the light absorbing material is larger than the thickness of the heat conducting layer.
(III) compared with the prior art, the technical effect that the utility model can achieve
The utility model discloses a wind-powered electricity generation blade surface light and heat deicing structure, light absorbing material granule on the exposed light absorbing material area is through polishing and wind-powered electricity generation blade surface conformal, has increased absorption solar efficiency, can change more heat energy, and heat energy transmits to wind-powered electricity generation blade surface through the heat-conducting layer, can high-efficient deicing; the heat insulation layer prevents heat from being transferred to the interior of the wind power blade, and the failure of wind power blade materials caused by the temperature accumulation of a certain area of the wind power blade can be effectively avoided; the conducting layer can guide charges formed by the light absorption material particles to be transferred to the lightning arrester, so that lightning stroke can be effectively prevented from being attracted in thunderstorm weather; the heat insulation layer, the conducting layer and the heat conducting layer are all thin films, so that the wind power blade structure can be effectively carried out along with the type without being influenced.
Drawings
Fig. 1 is the utility model discloses a wind-powered electricity generation blade surface light and heat deicing structure schematic diagram.
Description of reference numerals:
1. a wind power blade; 2. a blade leading edge; 3. a trailing edge of the blade; 4. a blade suction surface; 5. a blade pressure face; 6. a thermal insulation layer; 7. a conductive layer; 8. a heat conductive layer; 9. a lightning arrester; 10. a light absorbing material; 11. a strip of light absorbing material.
Detailed Description
For a better understanding of the present invention, its objects are further attained by the present invention in that the detailed description is given below in connection with the accompanying drawings which are set forth to illustrate, but are not limited to, the above-described embodiments. It should be noted that the following description is only a preferred embodiment of the present invention, but the present invention is not limited to the following embodiment. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention include such modifications and variations as come within the scope of the appended claims and their equivalents.
As shown in fig. 1, the utility model discloses a wind-powered electricity generation blade surface light and heat deicing structure, including forming insulating layer 6, conducting layer 7, heat-conducting layer 8, the lightning-arrest arrester 9, extinction material 10, extinction material area 11 on wind-powered electricity generation blade surface. The surfaces of the suction surface 4 and the pressure surface 5 of the blade are subjected to rough treatment, a thermal insulation layer 6 is coated at a certain distance from the front edge 2 and the rear edge 3 of the blade, the thickness of the thermal insulation layer 6 is uniform, the thickness after curing is not more than 200 microns, and the thermal insulation layer 6 is in edge contact with the lightning arrester 9.
The surface of the cured heat insulation layer 6 is subjected to rough treatment, the conductive layer 7 is coated on the periphery of the area coated with the heat insulation layer 6 in a certain distance in a gradual returning mode, the gradual returning distance is not less than 50 cm, and the conductive layer 7 is in contact with the edge of the lightning arrester 9. Before the conducting layer 7 is not completely cured, auxiliary tools with strip distribution are placed on the surface, light absorbing materials 10 can be distributed on the conducting layer 7 in a strip interval mode from the direction parallel to the front edge 2 of the blade to the tail edge 3 of the blade to form light absorbing material strips 11, the light absorbing material strips 11 distributed in parallel can be connected through the light absorbing material strips distributed in a strip mode in the direction perpendicular to the front edge 2 of the blade to the tail edge 3 of the blade, the light absorbing materials 10 are sprayed, and the light absorbing materials 10 are embedded into the conducting layer 7, but cannot be completely embedded into the conducting layer 7 and cannot penetrate through the heat insulation layer 6. The conductive layer 7 should be uniform in thickness and not more than 200 microns in thickness after curing.
And coating the heat conduction layer 8 at a certain distance in a gradual receding mode around the area of the solidified conducting layer 7, wherein the gradual receding distance is not less than 50 cm, the heat conduction layer 8 completely covers the light-absorbing material belt 11 and the conducting layer 7, and the heat conduction layer 8 is in contact with the edge of the lightning arrester 9. After the heat conducting layer 8 is fully cured, the heat conducting layer 8 is polished to fully expose the light absorbing material strips 11, but the heat conducting layer 8 cannot be polished away, and the heat conducting layer 8 should be capable of continuously transferring heat in the coating area.
Through the above embodiment, the purpose of the utility model is completely and effectively realized. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
The detailed description of the present invention is not provided to limit the present invention to the embodiments described in the present application.
Claims (8)
1. The utility model provides a wind-powered electricity generation blade surface light and heat deicing structure, is including setting up a insulating layer, a conducting layer, a heat-conducting layer, a plurality of extinction material area on the wind-powered electricity generation blade surface, its characterized in that:
the thermal insulation layer is coated on the outer surface of the wind power blade, and intervals are reserved between the edge of the thermal insulation layer and the front edge and between the edge of the thermal insulation layer and the rear edge of the blade;
the conducting layer is coated and retreated on the heat insulation layer, and a space is reserved between each edge of the conducting layer and each edge corresponding to the heat insulation layer;
each light absorbing material strip is coated and arranged on the conducting layer in a strip shape;
the heat conduction layer is coated and arranged on the conducting layer in a progressive and retreating mode, intervals exist between each edge of the heat conduction layer and each edge corresponding to the conducting layer, the area, coated with the light absorption material belt, of the conducting layer is not covered by the heat conduction layer, and the area, coated with the light absorption material belt, of the conducting layer is exposed out of the heat conduction layer.
2. The wind turbine blade outer surface photothermal deicing structure according to claim 1, wherein: still be provided with lightning-arrest arrester on the wind-powered electricity generation blade surface, insulating layer, conducting layer, heat-conducting layer, light absorbing material band close to the region of lightning-arrest arrester all with the edge contact of lightning-arrest arrester.
3. The wind turbine blade outer surface photothermal deicing structure according to claim 1, characterized in that: the light absorption material belts comprise first light absorption material belts parallel to the direction from the front edge of the blade to the tail edge of the blade and second light absorption material belts vertical to the direction from the front edge of the blade to the tail edge of the blade, the first light absorption material belts are connected with each other through the second light absorption material belts, and the first light absorption material belts and the second light absorption material belts are formed into a criss-cross net structure.
4. The wind turbine blade outer surface photothermal deicing structure according to claim 1, wherein: the outer surface of the wind power blade comprises a blade pressure surface and a blade suction surface, and the heat insulation layer, the conducting layer, the heat conducting layer and the light absorption material belt are arranged on the blade pressure surface and the blade suction surface.
5. The wind turbine blade outer surface photothermal deicing structure according to claim 1, wherein: the heat-insulating layer, the conducting layer and the heat-conducting layer are all of thin-film structures and are formed by coating or spraying corresponding coatings, and the thicknesses of the heat-insulating layer, the conducting layer and the heat-conducting layer are not more than 200 microns.
6. The wind turbine blade outer surface photothermal deicing structure according to claim 1, characterized in that: the step-back distance of the conducting layer at each edge of the heat insulation layer and the step-back distance of the heat conducting layer at each edge of the conducting layer are not less than 50 cm.
7. The wind turbine blade outer surface photothermal deicing structure according to claim 1, characterized in that: the bottom of the light absorbing material strip is embedded in the conductive layer, but does not penetrate to the thermal insulating layer.
8. The wind turbine blade outer surface photothermal deicing structure according to claim 1, characterized in that: the light absorption materials in the light absorption material belt are granular, and the particle diameter of the light absorption materials is larger than the thickness of the heat conduction layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222457953.3U CN217950605U (en) | 2022-09-16 | 2022-09-16 | Wind-powered electricity generation blade surface light and heat deicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222457953.3U CN217950605U (en) | 2022-09-16 | 2022-09-16 | Wind-powered electricity generation blade surface light and heat deicing structure |
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| Publication Number | Publication Date |
|---|---|
| CN217950605U true CN217950605U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222457953.3U Active CN217950605U (en) | 2022-09-16 | 2022-09-16 | Wind-powered electricity generation blade surface light and heat deicing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217950605U (en) |
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2022
- 2022-09-16 CN CN202222457953.3U patent/CN217950605U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230217 Address after: Room 301, Unit 1, Floor 3, Building 21, Yard 1, Desheng North Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing 102600 Patentee after: Beijing Zhongke Yuneng Technology Development Co.,Ltd. Address before: No.88 Guangming Road, Weixian Economic Development Zone, Xingtai City, Hebei Province 054700 Patentee before: SINO-WIND ENERGY Group Ltd. |
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| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHINA TECHNOLOGY EXCHANGE Co.,Ltd. Assignor: Beijing Zhongke Yuneng Technology Development Co.,Ltd. Contract record no.: X2023110000039 Denomination of utility model: Photothermal deicing structure for the outer surface of wind turbine blades Granted publication date: 20221202 License type: Exclusive License Record date: 20230317 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A photothermal deicing structure for the outer surface of wind turbine blades Effective date of registration: 20230323 Granted publication date: 20221202 Pledgee: CHINA TECHNOLOGY EXCHANGE Co.,Ltd. Pledgor: Beijing Zhongke Yuneng Technology Development Co.,Ltd. Registration number: Y2023110000117 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |